Tianjin KaiFeng Metal Materials Sales Co., Ltd, owning over 10 cold-bending production lines and longitudinal splitting lines, advanced equipment, self-owned development teams and independent development and design ability, can produce cold-bending C-, Z- and U-steel, solar energy photovoltaic support (interior roll rims, X-steel, etc.; such product is mostly of hot-dip galvanizing, with general galvanizing coat being 40-85 um) and cold forming sectional steels of all kinds of specifications ...   |